//
//  NvSystemVolume.h
//  SDKDemo
//
//  Created by 刘东旭 on 2018/8/16.
//  Copyright © 2018年 meishe. All rights reserved.
//

#import <Foundation/Foundation.h>
@import UIKit;

@interface NvSystemVolume : UIView

@property (nonatomic, assign) float volume;

+ (instancetype)instence;

@end
